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[Caml-list] Python's yield, Lisp's call-cc or C's setjmp/longjmp in OCaml
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Date: -- (:)
From: Brian Hurt <bhurt@s...>
Subject: Re: [Caml-list] Python's yield, Lisp's call-cc or C's setjmp/longjmp in OCaml
On Thu, 18 Dec 2003, Nicolas Cannasse wrote:

> > [...]
> > > This only works for simple examples. Try for example writing a
> > > function which successively yields all possible moves for a chess
> > > board. The "yield" operator really helps there.
> >
> > Very interesting: please give us the code corresponding to this
> > example, in order for us to realize how the full power of the "yield"
> > operator helps to solve this problem.
> >
> > Pierre Weis
> >
> 
> One simple sample is tree walking :

[snip example of a usefull yield]

> Doing it using a closure is more difficult, since we need to reproduce the
> stack using a data structure. That goes of course for all recursive data
> structures.
> 

Stupid question: would it be possible/usefull to have the yielding 
function run as a seperate thread of execution, in a produce/consumer sort 
of way?

-- 
"Usenet is like a herd of performing elephants with diarrhea -- massive,
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                                - Gene Spafford 
Brian

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